Home / 5,510.78-8,268.23-2,550.66

Finding the Fourth Proportional to 5,510.78, 8,268.23 and 2,550.66

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Solution

The fourth proportional to 5,510.78, 8,268.23 and 2,550.66 is: 3,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.78 : 8,268.23 = 2,550.66 : x
  2. Step 2: Convert to fraction form
    5,510.78/8,268.23 = 2,550.66/x
  3. Step 3: Cross multiply
    5,510.78x = 8,268.23 × 2,550.66
  4. Step 4: Simplify right side
    5,510.78x = 21,089,474.32
  5. Step 5: Solve for x
    x = 21,089,474.32/5,510.78
  6. Step 6: Final answer
    x = 3,826.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.